US Bridges

Liberty Lane over Wash

Good

Maricopa County, Arizona · Liberty LA W of 28th Pl · Structure no. 07891

Built
1980
45 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
52 ft
6 main spans
Daily traffic
3,968
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Liberty Lane over Wash is a concrete continuous culvert carrying Liberty Lane over Wash in Maricopa County, Arizona. It was built in 1980, so it is 45 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,968 vehicles a day, roughly 1% of them trucks, projected to reach 4,069 by 2030. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLiberty Lane
CrossesWash
LocationLiberty LA W of 28th Pl
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.293, -112.0229
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,968 (2012)
Projected traffic4,069 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Liberty Lane over Wash built?

It was built in 1980, making it 45 years old in 2025.

What condition is Liberty Lane over Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Liberty Lane over Wash carry?

About 3,968 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Liberty Lane over Wash?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m).

Who owns Liberty Lane over Wash?

It is owned by the City or Municipal Highway Agency.